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eOrange: PA colour masterbatch for E-mobility

Source:Plastics News Asia     Date:2021-07-28
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The striking pastel orange RAL2003 is increasingly being used to identify plastic-sheathed, high-voltage, current-carrying components in E-mobility to warn of the dangers associated with this new technology. eOrange is a colour masterbatch for polyamides jointly developed by Brüggemann, Heilbronn, and GRAFE, Blankenhain, which, even after 1,000 hours’ service at 130°C, still retain their warning effect without darkening. In comparison with preformulated compounds, eOrange offers processors considerable flexibility in meeting specific requirements and at the same time optimises material consumption.

 

This new GRAFE eOrange masterbatch, known by the trade name PA-Tekolen, can be used for PA6, PA66 and glass fibre-filled and flame-retardant polyamides while maintaining mechanical material properties. Its flexible rate of addition enables distinctly better control over this “critical” colour than do commercially available compounds. Its performance is based on a combination of highly thermally stable dyes with special heat stabilisers developed by Brüggemann for polyamides. Possible applications include high-voltage connectors, insulation for high-voltage cables, cable conduits, charging sockets or fasteners for electric vehicles, while wiring harness clips are already in series production. Formulations for other polymers are available on request.


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As Lars Tonnecke, GRAFE’s Head of Sales who is playing a key role in the development of GRAFE eOrange, explains: “In line with current trends, we, like our long-standing partner Brüggemann, have been receiving increasing numbers of inquiries from the E-mobility sector for some time now. And that's why we started work on this joint project in late 2019. Brüggemann’s high-performance heat stabilizers and its know-how protect the polymers from unwanted changes, while GRAFE contributes its expertise in coloring and upgrading plastics. Customer benefits include ease of use of the masterbatches when tailoring individual applications and associated flexibility and cost advantages.”

 

GRAFE is the first point of contact for the use and distribution of eOrange. A specialist in high-performance heat stabilisers and other functional additives for polyamides, including flow improvers and light stabilisers, Brüggemann can also provide advisory support and supply small volumes for the custom development of specific applications.


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